assertEquals("Shard names", Sets.newHashSet("shard1", "shard2"), Sets.newHashSet(
Lists.transform(datastoreSnapshot.getShardSnapshots(), shardNameTransformer)));
assertEquals("Shard names", Sets.newHashSet("shard1", "shard2"), Sets.newHashSet(
Lists.transform(datastoreSnapshot.getShardSnapshots(), shardNameTransformer)));